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Finding the Fourth Proportional to 73,776.12, 110,664.12 and 27,032.64

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Solution

The fourth proportional to 73,776.12, 110,664.12 and 27,032.64 is: 40,548.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,776.12 : 110,664.12 = 27,032.64 : x
  2. Step 2: Convert to fraction form
    73,776.12/110,664.12 = 27,032.64/x
  3. Step 3: Cross multiply
    73,776.12x = 110,664.12 × 27,032.64
  4. Step 4: Simplify right side
    73,776.12x = 2,991,543,316.88
  5. Step 5: Solve for x
    x = 2,991,543,316.88/73,776.12
  6. Step 6: Final answer
    x = 40,548.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.